Valved Exhaust System for Mercedes-AMG GLA35 H247 2.0 turbo (2020-2021)
Configuration
Mercedes-AMG GLA35 H247 Valved Exhaust System (2020-2021)
Valves
Operated by remote control, factory-paired.
Estimated at 0.50 m from the outlet, 45°, 2,000 rpm with a warm engine. Allow ± 2 dB depending on the engine and measuring point. A 3 dB difference is audible in a direct comparison; 10 dB sounds roughly twice as loud.
Configuration guide
Sound intensity with the valves open, on a scale of 0 to 10.
| Configuration | Intensity |
|---|---|
| Decat downpipe + Rog cat-back | 10/10 |
| 100-cell sports catalytic converter + Rog cat-back | 9/10 |
| 200-cell sports catalytic converter + Rog cat-back | 8/10 |
| Rog cat-back only, factory catalytic converter retained | 7/10 |
| Factory exhaust, for comparison | 3/10 |
Mercedes-AMGGLA35 / GLA45 S H247
The Mercedes-AMG GLA35 H247 exhaust in detail.
The GLA35 H247 is a playful compact SUV, powered by the M260: 2.0 litres, twin-scroll turbo, 306 hp and 400 Nm sent to all four wheels, with torque available over a wide range. This page covers the 2020 and 2021 GLA35, with no extension to later model years; the GLA45 S of the same generation has its own page.
Its AMG four-cylinder has a hoarse, eager voice, with a hint of roughness under hard acceleration, but the factory exhaust lets only a distant echo through. The valved Rog cat-back delivers a start-up with real presence and a frank sound every time you accelerate, in tune with the car’s temperament. Closed, the valves bring it back to calm, at or close to the original level.
No drilling or welding on this SUV: built for your VIN, the system is tightened onto clamps and gaskets, and the job takes about two hours. Two control modes coexist: the original control if the SUV has factory valves, or the Rog remote and its box in the boot.
To go further, the “Manifold” option replaces the M260’s downpipe, the catalysed part that follows the turbo. Choose 200-cell to keep emissions control. Beyond that, the 100-cell will be accepted or not depending on the vehicle and your country’s rules, and its decat cousin is reserved for track use: neither is an everyday setting. Power comes with the ECU remap, not with the part alone. Titanium, around 40% lighter than 304 stainless steel for the same design, also adds a colour: brushed, gold or purple.
Mercedes-AMG GLA35 H247 2.0 turbo exhaust specifications.
| System type | Valved cat-back (valve exhaust), built to your VIN |
|---|---|
| Vehicle and chassis code | Mercedes-AMG GLA35 H247 compact SUV |
| Engine | M260, 2.0-litre four-cylinder with a twin-entry turbo, 306 hp and 400 Nm |
| Years | 2020-2021 |
| Materials and finishes | 304 stainless steel or titanium; titanium in brushed, gold or purple |
| Valves | Factory valve control if the car has it, otherwise the Rog remote |
| Front section (option) | Downpipe with 200-cell or 100-cell catalytic converter, or decat |
| Fitting | No welding or drilling, about 2 hours |
| Manufacturing and delivery | Made to order, 20 working days, free delivery |
| Warranty | 3 years, parts and workmanship |
Questions about the Mercedes-AMG GLA35 H247 2.0 turbo exhaust.
My GLA35 H247 dates from 2022: does the page apply?
Our page stops at 2021: the 2020 and 2021 GLA35 H247 is covered, later model years are not proven. Send us your VIN; we check before manufacturing and reply with no obligation.
Is an ECU remap of the GLA35 H247 essential?
Not at all for the rear system alone. With the downpipe, the ECU remap makes the difference: the page quotes 370 hp and 510 Nm in Stage 2. The result also depends on maintenance and the tuner, as our GLA35 guide points out.
GLA35 H247 and the vehicle inspection: which settings should I use?
Close the valves and keep the cat-back alone or the 200-cell downpipe: the catalytic converter works and the SUV sounds as it did leaving the factory, or very nearly. The 100-cell is not a given everywhere; it depends on the car and the country. Decat: track use only.
Does the GLA35 keep its factory valve control?
If it has them from the factory, yes: the exhaust connects to them and the drive modes keep opening and closing them. Otherwise, the two-button Rog remote works independently of the selected programme.
Mercedes-AMG GLA35 H247 2.0 turbo: Does a valved exhaust system drone?
No. With the valves closed, the gases flow through the whole rear silencer and the cabin stays calm at a steady speed. Our Rog exhausts are designed to avoid drone. Learn more: Why our systems stay calm on the motorway.
Rog expert guide
Mercedes-AMG GLA35 H247: the small AMG SUV raises its voice, the exhaust system guide
The GLA35 H247 is one of the most direct ways into the AMG world: compact size, all-wheel drive and a 2.0-litre turbocharged four-cylinder with 306 hp and 400 Nm. Enough for very serious performance, in town and on back roads...
In detail
Rog Advisor
A question about this exhaust?
Fitment, sound, catalyst, valves, delivery: the answer comes straight away, with your configuration in context.
The Rog Advisor is an automated assistant trained on our product pages and answers. For an important decision, write to us: we confirm by e-mail.
Unsure about your configuration? Talk to us before you order. We know your car. Write to us at contact@rogmotorsport.com: we reply in writing, in English, within 24 hours. Email us
Reviews imported from our previous system and translated from French; verified purchases carry the badge.
Rog presentation film: choosing your vehicle, Standard or Equal Length design, stainless steel or titanium, Z-Pipe, controlled valves, titanium and tip finishes, and support from choosing your configuration through to shipping.
THE Rog CRAFT
Our process.
From the first bend to the last check. The same care at every step.
-
Design
Designed for your vehicle.
Geometry matched to your model, carefully studied bends and precise mounting points. Everything starts with accurate design.
-
Manufacture
Crafted with precision.
Tube bending, part fitting and TIG welding: every joint receives the same care.
-
Finishing
Material, elevated.
The finish reveals the character of the metal. Stainless steel or titanium, depending on the options available for your vehicle.
-
Assembly
Every part in its place.
Components are assembled and adjusted. On valved systems, the mechanism is fitted, set up and tested.
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Inspection
Check. Then approve.
Geometry, welds, connections and gas flow: the key points are inspected before shipping.
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Shipping
Ready to join you.
Reinforced packaging protects your exhaust in transit. The final step before giving your vehicle a new voice.
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